MDM Observatory 2.4m Telescope Observing Report for 2022 Apr 12 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 10 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.9 arcsec, Clear, Winds Moderate Mid: Seeing 1.6 arcsec, Clear, Winds Light & Variable End: Seeing 1.3 arcsec, Clear, Winds Light & Variable Observing Summary: During evening twilight, while the dome was tracking, it decided to rotate on its own. It was at azimuth ~70 and rotated counter- clockwise to about the home position. It then rotated back to the telescope position (clockwise). No other dome walks occurred. It was pretty windy to start the night, but calmed as it went along. ------------------------------ Submitted on 2022 Apr 13 [4:48:35]